Repairs to a damaged section of an aircraft must be strong enough to carry what?

Repairs to a damaged section of an aircraft must be strong enough to carry all loads with the required safety factors because aircraft structures are subjected to a variety of forces throughout their operational lifespan. These forces include not only flight loads, such as aerodynamic forces encountered during takeoff, cruising, and landing, but also ground loads experienced during taxiing, takeoff, and landing on the runway, as well as load factors related to maneuvers and external pressures like wind.

To ensure the safety and integrity of the aircraft, any repairs must be designed to withstand these various loads, considering the significant safety factors that account for unexpected conditions or additional stresses that may occur. This comprehensive approach ensures that the repaired section can endure both normal operational conditions and potential overload situations, thereby maintaining the aircraft's structural integrity and safety throughout its operation.

The other options are limited in scope; they focus on either singular load types or neglect the necessary safety factors, which are critical to ensuring the repair meets all operational demands.